C23C 22/34
Containing fluorides or complex fluorides
Official title: containing fluorides or complex fluorides
C23C22/34 (Containing fluorides or complex fluorides) appears on 729 US grants and 651 published applications in this corpus.
Search patents in C23C- Granted patents
- 729
- Published applications
- 651
- Assignees
- 258
- Inventors
- 1,579
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 20 | 0 |
| 1995 | 25 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 27 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 4 |
| 2002 | 21 | 11 |
| 2003 | 25 | 28 |
| 2004 | 20 | 35 |
| 2005 | 7 | 23 |
| 2006 | 7 | 28 |
| 2007 | 6 | 24 |
| 2008 | 11 | 21 |
| 2009 | 10 | 30 |
| 2010 | 19 | 22 |
| 2011 | 11 | 30 |
| 2012 | 15 | 23 |
| 2013 | 21 | 30 |
| 2014 | 23 | 21 |
| 2015 | 15 | 32 |
| 2016 | 29 | 32 |
| 2017 | 22 | 28 |
| 2018 | 24 | 23 |
| 2019 | 28 | 30 |
| 2020 | 18 | 34 |
| 2021 | 14 | 30 |
| 2022 | 24 | 26 |
| 2023 | 14 | 29 |
| 2024 | 24 | 23 |
| 2025 | 32 | 19 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface-treated metal sheet29 Sep 2026US 12,747,505 B2Nippon Steel Corporation
- Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor25 Aug 2026US 12,719,063 B2Posco
- Method for coating zinc die-cast parts, multi-layered coating for the protection of zinc die-cast parts, and coated zinc die-cast part4 Aug 2026US 12,698,564 B2Fnt Co., Ltd.
- Stainless steel for fuel cell separator4 Aug 2026US 12,700,598 B2Posco
- Systems for treating a metal substrate12 May 2026US 12,624,224 B2PPG Industries Ohio, Inc.
- Method for the Corrosion-Protective Pretreatment of Components Comprising Surfaces of Zinc-Magnesium Hot-Dip Coated Steel8 Oct 2026US 2026/0308768 A1Henkel AG & Co. KGaA
- Systems for treating a metal substrate20 Aug 2026US 2026/0242617 A1PPG Industries Ohio, Inc.
- Compositions, systems, and methods for treating a substrate6 Aug 2026US 2026/0226371 A1PPG Industries Ohio, Inc.
- Chemical conversion agent23 Jul 2026US 2026/0209948 A1Nihon Parkerizing Co., Ltd.
- Aluminum Material or Aluminum Alloy Material Provided With Coating Film, Method for Producing Same, and Aqueous Surface Treatment Agent16 Jul 2026US 2026/0201563 A1Nihon Parkerizing Co., Ltd.
Most cited
By later US patents
- Coating solution for metal surface90US 4,148,670 AAmchem Products, Inc. · 1979
- Method and compositions for coating aluminum71US 4,191,596 AUnion Carbide Corporation · 1980
- Treatment of metal with group IV B metal ion and derivative of polyalkenylphenol66US 4,457,790 AParker Chemical Company · 1984
- Composition and process for treating metals64US 5,449,415 AHenkel Corporation · 1995
- Coated metal substrates and methods for preparing and inhibiting corrosion of the same62US 6,312,812 B1PPG Industries Ohio, Inc. · 2001